
function s1_hello() {

    echo "hello, world!"

}
function s2_tell_who_i_am() {

    whoami
}
function s3_which_distro_do_i_use() {
      echo -n 'NAME='
      cat /etc/redhat-release
}

function s4_view_my_cpu_arch() {

    uname -m

}

function s5_show_first_scsi_disk_size(){
       lsblk -1 |\grep disk |\grep'^sda ' | awk ' {print $4}'
}
function s6_show_main_memory_size_in_megabytes(){
free -m |grep "Mem:" |wak ' {print $2}'
} 








